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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2015/11/27 22:48:12 UTC
[jira] [Closed] (COLLECTIONS-270) Proposal for a new List
implementation: BackedList
[ https://issues.apache.org/jira/browse/COLLECTIONS-270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Neidhart closed COLLECTIONS-270.
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> Proposal for a new List implementation: BackedList
> --------------------------------------------------
>
> Key: COLLECTIONS-270
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-270
> Project: Commons Collections
> Issue Type: New Feature
> Components: List
> Affects Versions: 3.2
> Reporter: Sergio Bossa
> Attachments: BackedList.java, BackedListTest.java, DataAccessStrategy.java
>
>
> Here is a new List implementation named BackedList, to use for transparently accessing values of a generic data source as it were a normal List.
> This List implementation dynamically accesses data source values through a proper strategy object, keeping in memory only a limited, configurable, buffer of values.
> So, it is useful for:
> 1) Providing a List-like view of different data source values.
> 2) Avoiding to pre-load all values in a standard list, providing better performances and less memory consumption.
> As a side note, this list implementation is already used in production for implementing pagination over a relational data source.
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